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-   -   1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt) (http://www.rccrawler.com/forum/multi-axle-rigs/628515-1-10-oshkosh-m1070-a0-3d-printed-scratchbuilt.html)

orange617 03-02-2022 02:47 PM
1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Sharing my new build... I know there has already been so many builds for this truck but i just like it so much that I want to build one myself...in 10th scale.

Rolling chassis is done... 1st and 4th axle steering...8x8 drivetrain

https://i.ibb.co/sKgRMYy/20220228-220603.jpg https://i.ibb.co/QpRXZTt/20220222-021005.jpg

https://i.ibb.co/Mhnjb9j/20220228-220555.jpg https://i.ibb.co/VDW0V5q/20220220-122150.jpg

https://i.ibb.co/TvJmYM1/20220220-122046.jpg https://i.ibb.co/3WQGyDm/20220220-115744.jpg

https://i.ibb.co/6PY71fY/20220220-115649.jpg https://i.ibb.co/L6MBTzs/20220222-021013.jpg

https://i.ibb.co/pK3LvQf/20220220-122245.jpg https://i.ibb.co/gwyzVTL/20220220-122215.jpg

smc-93 03-02-2022 02:57 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Quote:
Originally Posted by orange617 (Post 6109883)
I can't blame you for wanting to show off this project/process. If my printer wasn't occupied ATM, I'd probably be building one myself. Or the Tatra 8x8

Sent from my LM-V600 using Tapatalk

orange617 03-02-2022 05:19 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Thank you sir SMC-93...only problem i have now is finding a gearmotor combo that can handle those 8 wheels...im thinking of a RS775 motor-planetary gear combo...and maybe a 120amp esc....parallel 5200mAH lipo at 7.4 v...gotta do some more research.

smc-93 03-02-2022 07:03 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Quote:
Originally Posted by orange617 (Post 6109896)
Thank you sir SMC-93...only problem i have now is finding a gearmotor combo that can handle those 8 wheels...im thinking of a RS775 motor-planetary gear combo...and maybe a 120amp esc....parallel 5200mAH lipo at 7.4 v...gotta do some more research.
There's plenty of research I still need to do. I didn't even think about motors, gearing, any of that yet. I was still lost in the complexity of the Tatra drivetrain lol.

Maybe the motor/trans combo used in the Tamiya or Lesu 1:14 semis? I know they're a smaller scale than your Oshkosh will be but they always seem to be able to move a lot of weight without much issue.

Sent from my LM-V600 using Tapatalk

orange617 03-03-2022 09:00 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Quote:
Originally Posted by smc-93 (Post 6109905)
There's plenty of research I still need to do. I didn't even think about motors, gearing, any of that yet. I was still lost in the complexity of the Tatra drivetrain lol.

Maybe the motor/trans combo used in the Tamiya or Lesu 1:14 semis? I know they're a smaller scale than your Oshkosh will be but they always seem to be able to move a lot of weight without much issue.

Sent from my LM-V600 using Tapatalk
Yup, i like those 3-speed transmission, they are just expensive....im thinking of trying out a cordless drill gearmotor...i see a lot of used ones like only 15 bucks... anyway, i also looked into the tatra 8x8, those independent axles are awesome, i just dont know if that can be done in RC...i believe they are not on the same axis, the other one is offset a tiny bit beacause of the differential main and pinion gear arrangement....

smc-93 03-03-2022 09:22 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Quote:
Originally Posted by orange617 (Post 6109992)
Yup, i like those 3-speed transmission, they are just expensive....im thinking of trying out a cordless drill gearmotor...i see a lot of used ones like only 15 bucks... anyway, i also looked into the tatra 8x8, those independent axles are awesome, i just dont know if that can be done in RC...i believe they are not on the same axis, the other one is offset a tiny bit beacause of the differential main and pinion gear arrangement....
Did you see this Tatra on cults or were you looking at 1:1 trying to "convert" the drivetrain to rc? https://cults3d.com/en/3d-model/gadg...c-chassis-only

That Tatra has the proper scale drivetrain and suspension, just apply half-shafts and shocks. (And screws, bearings, tires etc.)

Sent from my LM-V600 using Tapatalk

orange617 03-04-2022 11:41 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Quote:
Originally Posted by smc-93 (Post 6109994)
Did you see this Tatra on cults or were you looking at 1:1 trying to "convert" the drivetrain to rc? https://cults3d.com/en/3d-model/gadg...c-chassis-only

That Tatra has the proper scale drivetrain and suspension, just apply half-shafts and shocks. (And screws, bearings, tires etc.)

Sent from my LM-V600 using Tapatalk
Nope, havent seen that...didnt know its on cults3d...anyway, good luck on your build.

orange617 03-11-2022 11:02 AM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Caterpillar C18 Engine installed...

https://i.ibb.co/3fvxxdn/20220311-005949.jpg https://i.ibb.co/8BqbMPq/20220311-005905.jpg

https://i.ibb.co/1d6Fvdm/C18-03.jpg https://i.ibb.co/Qd1WhCt/C18-01.jpg

orange617 04-12-2022 03:02 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Build update, hood is done and installed...
https://i.ibb.co/F6pKLZJ/20220327-195816.jpg https://i.ibb.co/QCX4Ffg/20220327-195827.jpg

https://i.ibb.co/tqrSNbr/20220327-195833.jpg https://i.ibb.co/2PJSFmq/20220327-200057.jpg

AK KRAWLER 04-13-2022 12:22 AM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Another awesome build man "thumbsup"

smc-93 04-13-2022 12:25 AM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Is the transmission out of a power drill? I think I recognize the torque selector from a drill chuck

Sent from my LM-V600 using Tapatalk

AK KRAWLER 04-13-2022 12:33 AM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Quote:
Originally Posted by smc-93 (Post 6113665)
Is the transmission out of a power drill? I think I recognize the torque selector from a drill chuck

Sent from my LM-V600 using Tapatalk
I thought the same thing!
It even has the little drill bit insignia for locking it in drill mode, without the clutch.

orange617 04-14-2022 01:50 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
It is a used Black and Decker Cordless Drill, 9.6V.... I thought it could drill through steel so it should be able to drive 8 wheels and pull a flatbed trailer.... cant find a better gearbox for a 10th scale 8x8 (most i see are small)... and tamiya's are way too expensive... so i decided to give this a try.

smc-93 04-14-2022 02:22 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Quote:
Originally Posted by orange617 (Post 6113771)
It is a used Black and Decker Cordless Drill, 9.6V.... I thought it could drill through steel so it should be able to drive 8 wheels and pull a flatbed trailer.... cant find a better gearbox for a 10th scale 8x8 (most i see are small)... and tamiya's are way too expensive... so i decided to give this a try.
That is an awesome idea!

I'm going to have to try that when I get around to printing/building one these massive trucks.

Sent from my LM-V600 using Tapatalk

orange617 04-14-2022 07:58 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Quote:
Originally Posted by smc-93 (Post 6113774)
That is an awesome idea!

I'm going to have to try that when I get around to printing/building one these massive trucks.

Sent from my LM-V600 using Tapatalk
Its doable...and fairly cheap too, got this used one from FB marketplace for 15 bucks, lol.... heres how i designed the housing/mounting...

https://i.ibb.co/XLdWhS5/20220305-001232.jpg
https://i.ibb.co/Lp9b0t0/20220305-001258.jpg

I also designed a mock up engine that drops in to the gearbox/motor assembly based on the Cat C18 diesel....the C18 is one of the 2 engines used in the M1070 A0

https://i.ibb.co/8BqbMPq/20220311-005905.jpg https://i.ibb.co/dJZryWf/CAT-C18-Engine-1.jpg

smc-93 06-14-2022 05:59 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Quote:
Originally Posted by orange617 (Post 6113801)
Its doable...and fairly cheap too, got this used one from FB marketplace for 15 bucks, lol.... heres how i designed the housing/mounting...

https://i.ibb.co/XLdWhS5/20220305-001232.jpg
https://i.ibb.co/Lp9b0t0/20220305-001258.jpg

I also designed a mock up engine that drops in to the gearbox/motor assembly based on the Cat C18 diesel....the C18 is one of the 2 engines used in the M1070 A0

https://i.ibb.co/8BqbMPq/20220311-005905.jpg https://i.ibb.co/dJZryWf/CAT-C18-Engine-1.jpg
That's a great looking mock engine as well.

I still need to get a computer that can effectively run Fusion360 so I can figure out how to design things like that. I just can't wrap my head around the complexity of F-360 when I'm stuck waiting on my laptop to process things.

My CAD skills/knowledge are still super basic.

Sent from my LM-V600 using Tapatalk

orange617 06-17-2022 10:18 AM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Quote:
Originally Posted by smc-93 (Post 6118050)
That's a great looking mock engine as well.

I still need to get a computer that can effectively run Fusion360 so I can figure out how to design things like that. I just can't wrap my head around the complexity of F-360 when I'm stuck waiting on my laptop to process things.

My CAD skills/knowledge are still super basic.

Sent from my LM-V600 using Tapatalk
Thank you sir, been using autocad since i can remember, started in version 12 i guess...oldschool...lol...but still works... im now into autocad 2016... Good luck on the F360, would love to see it here.

cooper_xl 06-27-2022 04:23 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Pretty impressive!

Gula 06-27-2022 08:28 PM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
That "engine" cover is sweet! I remember seeing one of the multifuel engines they had in those iirc, it was huge. SMC-93 check onshape, an online 3d CAD system that's similar to F360. Not sure that requires processing power.

smc-93 06-29-2022 01:00 AM
Re: 1/10 Oshkosh M1070 A0 (3D Printed/Scratchbuilt)
 
Quote:
Originally Posted by Gula (Post 6118763)
That "engine" cover is sweet! I remember seeing one of the multifuel engines they had in those iirc, it was huge. SMC-93 check onshape, an online 3d CAD system that's similar to F360. Not sure that requires processing power.
I've been messing around with Tinkercad, also internet based, but it's designed to be entry level so it's pretty simplified.

I'll have to look into Onshape

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